אֲנִי֙ יָדַ֣עְתִּי אֶפְרַ֔יִם וְיִשְׂרָאֵ֖ל לֹֽא־נִכְחַ֣ד מִמֶּ֑נִּי כִּ֤י עַתָּה֙ הִזְנֵ֣יתָ אֶפְרַ֔יִם נִטְמָ֖א יִשְׂרָאֵֽל׃
I, even I, know Ephraim, And Israel is not hid from Me; For now, O Ephraim, thou hast committed harlotry, Israel is defiled.
Read halakhic rulings (Jewish law) on Hosea 5:3: and classical halakhic sources.